old man noun 11old-man adjective 2forms 2 noun11 •An elderly man. •(informal) One's father.He smacked me around some. Didn't everybody's old man? •(informal) A husband, or male significant other, irrespective of age.“[…] Now if that thing is balling—and your old lady or your old man is off somewhere flashing and doesn't want to be touched—well, you get put down on acid, you can be on a bummer for months.” — 1968 •(slang) One's male employer, irrespective of age. •(slang) A unit's commanding officer, or the commander of a naval vessel, irrespective of age. •(UK, old-fashioned) Term of address for a male friend, irrespective of age.“Don't mention it, old man,” I responded courteously. — 1934 •The state of human nature without the spiritual transformation brought about by redemption through Jesus Christ.A new light has entered into the life and transformed it wonderfully, the soul has been born again, the old man has been put off, the new man which is akin to Jesus Christ has been put on. — 1906 •Synonym of Old Adam. •(Australia) Used attributively to denote something of exceptional size, strength, age etc.‘You watch out for them old man brown snakes in here. I seen a shed skin back there in the hall.’ — 2002 •(Australia) An Australian Aboriginal elder.Big Paddy nursed his grief in a quiet, mad fury. Then he urged the Old Men to ‘sing out’ those responsible for the death of his son. — 1937 •Synonym of southernwood. old-man adjective2 •(Australia) (applied to plants and animals) Of exceptional size or age.Along the banks of the Georgina are alternate patches of old-man scrub and strips of plain country. — 1934 •(Australia) (applied to weather) Of exceptional intensity.They Say: That the wild ducks have tipped an "old man flood." — 1900 formsold men · old-men